Budget a concert trip.
The advertised ticket price is rarely what a gig costs. Booking and service fees commonly add fifteen to twenty-five percent on top of face value and scale with every ticket, then travel, food, drinks and merchandise land as a separate block. Totalling all three and dividing by attendees gives the number to compare against other nights out, and the extras share shows how much of the evening had nothing to do with the ticket.
Ticket total with fees
Ticket total = face value x tickets x (1 + fee rate)
Night total
Night total = ticket total + travel, food and merch; per attendee = night total / tickets
Fees bundle the promoter's service charge, the venue facility fee and a delivery charge, and they are usually calculated per ticket rather than per order, so a four-ticket purchase pays them four times.
Yes, and usually against you. Resale platforms add their own buyer fee on top of an already marked-up price, so effective fee rates above thirty percent are common.